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Sweden-Number/dlls/msi/patch.c

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/*
* Implementation of the Microsoft Installer (msi.dll)
*
* Copyright 2004,2005 Aric Stewart for CodeWeavers
* Copyright 2011 Hans Leidekker for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdarg.h>
#define COBJMACROS
#include "windef.h"
#include "winbase.h"
#include "winreg.h"
#include "objbase.h"
#include "shlwapi.h"
#include "wine/debug.h"
#include "wine/unicode.h"
#include "msipriv.h"
WINE_DEFAULT_DEBUG_CHANNEL(msi);
static UINT check_transform_applicable( MSIPACKAGE *package, IStorage *patch )
{
static const WCHAR szSystemLanguageID[] = {
'S','y','s','t','e','m','L','a','n','g','u','a','g','e','I','D',0};
LPWSTR prod_code, patch_product, langid = NULL, template = NULL;
UINT ret = ERROR_FUNCTION_FAILED;
prod_code = msi_dup_property( package->db, szProductCode );
patch_product = msi_get_suminfo_product( patch );
TRACE("db = %s patch = %s\n", debugstr_w(prod_code), debugstr_w(patch_product));
if (strstrW( patch_product, prod_code ))
{
MSISUMMARYINFO *si;
const WCHAR *p;
si = MSI_GetSummaryInformationW( patch, 0 );
if (!si)
{
ERR("no summary information!\n");
goto end;
}
template = msi_suminfo_dup_string( si, PID_TEMPLATE );
if (!template)
{
ERR("no template property!\n");
msiobj_release( &si->hdr );
goto end;
}
if (!template[0])
{
ret = ERROR_SUCCESS;
msiobj_release( &si->hdr );
goto end;
}
langid = msi_dup_property( package->db, szSystemLanguageID );
if (!langid)
{
msiobj_release( &si->hdr );
goto end;
}
p = strchrW( template, ';' );
if (p && (!strcmpW( p + 1, langid ) || !strcmpW( p + 1, szZero )))
{
TRACE("applicable transform\n");
ret = ERROR_SUCCESS;
}
/* FIXME: check platform */
msiobj_release( &si->hdr );
}
end:
msi_free( patch_product );
msi_free( prod_code );
msi_free( template );
msi_free( langid );
return ret;
}
static UINT apply_substorage_transform( MSIPACKAGE *package, MSIDATABASE *patch_db, LPCWSTR name )
{
UINT ret = ERROR_FUNCTION_FAILED;
IStorage *stg = NULL;
HRESULT r;
TRACE("%p %s\n", package, debugstr_w(name));
if (*name++ != ':')
{
ERR("expected a colon in %s\n", debugstr_w(name));
return ERROR_FUNCTION_FAILED;
}
r = IStorage_OpenStorage( patch_db->storage, name, NULL, STGM_SHARE_EXCLUSIVE, NULL, 0, &stg );
if (SUCCEEDED(r))
{
ret = check_transform_applicable( package, stg );
if (ret == ERROR_SUCCESS)
msi_table_apply_transform( package->db, stg );
else
TRACE("substorage transform %s wasn't applicable\n", debugstr_w(name));
IStorage_Release( stg );
}
else
{
ERR("failed to open substorage %s\n", debugstr_w(name));
}
return ERROR_SUCCESS;
}
UINT msi_check_patch_applicable( MSIPACKAGE *package, MSISUMMARYINFO *si )
{
LPWSTR guid_list, *guids, product_code;
UINT i, ret = ERROR_FUNCTION_FAILED;
product_code = msi_dup_property( package->db, szProductCode );
if (!product_code)
{
/* FIXME: the property ProductCode should be written into the DB somewhere */
ERR("no product code to check\n");
return ERROR_SUCCESS;
}
guid_list = msi_suminfo_dup_string( si, PID_TEMPLATE );
guids = msi_split_string( guid_list, ';' );
for (i = 0; guids[i] && ret != ERROR_SUCCESS; i++)
{
if (!strcmpW( guids[i], product_code )) ret = ERROR_SUCCESS;
}
msi_free( guids );
msi_free( guid_list );
msi_free( product_code );
return ret;
}
UINT msi_parse_patch_summary( MSISUMMARYINFO *si, MSIPATCHINFO **patch )
{
MSIPATCHINFO *pi;
UINT r = ERROR_SUCCESS;
WCHAR *p;
if (!(pi = msi_alloc_zero( sizeof(MSIPATCHINFO) )))
{
return ERROR_OUTOFMEMORY;
}
if (!(pi->patchcode = msi_suminfo_dup_string( si, PID_REVNUMBER )))
{
msi_free( pi );
return ERROR_OUTOFMEMORY;
}
p = pi->patchcode;
if (*p != '{')
{
msi_free( pi->patchcode );
msi_free( pi );
return ERROR_PATCH_PACKAGE_INVALID;
}
if (!(p = strchrW( p + 1, '}' )))
{
msi_free( pi->patchcode );
msi_free( pi );
return ERROR_PATCH_PACKAGE_INVALID;
}
if (p[1])
{
FIXME("patch obsoletes %s\n", debugstr_w(p + 1));
p[1] = 0;
}
TRACE("patch code %s\n", debugstr_w(pi->patchcode));
if (!(pi->transforms = msi_suminfo_dup_string( si, PID_LASTAUTHOR )))
{
msi_free( pi->patchcode );
msi_free( pi );
return ERROR_OUTOFMEMORY;
}
*patch = pi;
return r;
}
static UINT patch_set_media_source_prop( MSIPACKAGE *package )
{
static const WCHAR query[] = {
'S','E','L','E','C','T',' ','`','S','o','u','r','c','e','`',' ','F','R','O','M',' ',
'`','M','e','d','i','a','`',' ','W','H','E','R','E',' ','`','S','o','u','r','c','e','`',' ',
'I','S',' ','N','O','T',' ','N','U','L','L',0};
MSIQUERY *view;
MSIRECORD *rec;
const WCHAR *property;
WCHAR *patch;
UINT r;
r = MSI_DatabaseOpenViewW( package->db, query, &view );
if (r != ERROR_SUCCESS)
return r;
r = MSI_ViewExecute( view, 0 );
if (r != ERROR_SUCCESS)
goto done;
if (MSI_ViewFetch( view, &rec ) == ERROR_SUCCESS)
{
property = MSI_RecordGetString( rec, 1 );
patch = msi_dup_property( package->db, szPatch );
msi_set_property( package->db, property, patch );
msi_free( patch );
msiobj_release( &rec->hdr );
}
done:
msiobj_release( &view->hdr );
return r;
}
struct patch_offset
{
struct list entry;
WCHAR *name;
UINT sequence;
};
struct patch_offset_list
{
struct list files;
UINT count, min, max;
UINT offset_to_apply;
};
static struct patch_offset_list *patch_offset_list_create( void )
{
struct patch_offset_list *pos = msi_alloc( sizeof(struct patch_offset_list) );
list_init( &pos->files );
pos->count = pos->max = 0;
pos->min = 999999;
return pos;
}
static void patch_offset_list_free( struct patch_offset_list *pos )
{
struct patch_offset *po, *po2;
LIST_FOR_EACH_ENTRY_SAFE( po, po2, &pos->files, struct patch_offset, entry )
{
msi_free( po->name );
msi_free( po );
}
msi_free( pos );
}
static void patch_offset_get_patches( MSIDATABASE *db, UINT last_sequence, struct patch_offset_list *pos )
{
static const WCHAR query_patch[] = {
'S','E','L','E','C','T',' ','*',' ','F','R','O','M',' ','P','a','t','c','h',' ',
'W','H','E','R','E',' ','S','e','q','u','e','n','c','e',' ','<','=',' ','?',' ',
'O','R','D','E','R',' ','B','Y',' ','S','e','q','u','e','n','c','e',0};
MSIQUERY *view;
MSIRECORD *rec;
UINT r;
r = MSI_DatabaseOpenViewW( db, query_patch, &view );
if (r != ERROR_SUCCESS)
return;
rec = MSI_CreateRecord( 1 );
MSI_RecordSetInteger( rec, 1, last_sequence );
r = MSI_ViewExecute( view, rec );
msiobj_release( &rec->hdr );
if (r != ERROR_SUCCESS)
return;
while (MSI_ViewFetch( view, &rec ) == ERROR_SUCCESS)
{
UINT sequence = MSI_RecordGetInteger( rec, 2 );
/* FIXME: we only use the max/min sequence numbers for now */
pos->min = min( pos->min, sequence );
pos->max = max( pos->max, sequence );
pos->count++;
msiobj_release( &rec->hdr );
}
msiobj_release( &view->hdr );
}
static void patch_offset_get_files( MSIDATABASE *db, UINT last_sequence, struct patch_offset_list *pos )
{
static const WCHAR query_files[] = {
'S','E','L','E','C','T',' ','*',' ','F','R','O','M',' ','F','i','l','e',' ',
'W','H','E','R','E',' ','S','e','q','u','e','n','c','e',' ','<','=',' ','?',' ',
'O','R','D','E','R',' ','B','Y',' ','S','e','q','u','e','n','c','e',0};
MSIQUERY *view;
MSIRECORD *rec;
UINT r;
r = MSI_DatabaseOpenViewW( db, query_files, &view );
if (r != ERROR_SUCCESS)
return;
rec = MSI_CreateRecord( 1 );
MSI_RecordSetInteger( rec, 1, last_sequence );
r = MSI_ViewExecute( view, rec );
msiobj_release( &rec->hdr );
if (r != ERROR_SUCCESS)
return;
while (MSI_ViewFetch( view, &rec ) == ERROR_SUCCESS)
{
UINT attributes = MSI_RecordGetInteger( rec, 7 );
if (attributes & msidbFileAttributesPatchAdded)
{
struct patch_offset *po = msi_alloc( sizeof(struct patch_offset) );
po->name = msi_dup_record_field( rec, 1 );
po->sequence = MSI_RecordGetInteger( rec, 8 );
pos->min = min( pos->min, po->sequence );
pos->max = max( pos->max, po->sequence );
list_add_tail( &pos->files, &po->entry );
pos->count++;
}
msiobj_release( &rec->hdr );
}
msiobj_release( &view->hdr );
}
static UINT patch_offset_modify_db( MSIDATABASE *db, struct patch_offset_list *pos )
{
static const WCHAR query_files[] = {
'S','E','L','E','C','T',' ','*',' ','F','R','O','M',' ','F','i','l','e',' ',
'W','H','E','R','E',' ','S','e','q','u','e','n','c','e',' ','>','=',' ','?',' ',
'A','N','D',' ','S','e','q','u','e','n','c','e',' ','<','=',' ','?',' ',
'O','R','D','E','R',' ','B','Y',' ','S','e','q','u','e','n','c','e',0};
struct patch_offset *po;
MSIRECORD *rec;
MSIQUERY *view;
UINT r;
r = MSI_DatabaseOpenViewW( db, query_files, &view );
if (r != ERROR_SUCCESS)
return ERROR_SUCCESS;
rec = MSI_CreateRecord( 2 );
MSI_RecordSetInteger( rec, 1, pos->min );
MSI_RecordSetInteger( rec, 2, pos->max );
r = MSI_ViewExecute( view, rec );
msiobj_release( &rec->hdr );
if (r != ERROR_SUCCESS)
goto done;
LIST_FOR_EACH_ENTRY( po, &pos->files, struct patch_offset, entry )
{
UINT r_fetch;
while ((r_fetch = MSI_ViewFetch( view, &rec )) == ERROR_SUCCESS)
{
const WCHAR *file = MSI_RecordGetString( rec, 1 );
UINT seq;
if (!strcmpiW( file, po->name ))
{
/* update record */
seq = MSI_RecordGetInteger( rec, 8 );
MSI_RecordSetInteger( rec, 8, seq + pos->offset_to_apply );
r = MSI_ViewModify( view, MSIMODIFY_UPDATE, rec );
if (r != ERROR_SUCCESS)
ERR("Failed to update offset for file %s\n", debugstr_w(file));
msiobj_release( &rec->hdr );
break;
}
msiobj_release( &rec->hdr );
}
if (r_fetch != ERROR_SUCCESS) break;
}
done:
msiobj_release( &view->hdr );
return ERROR_SUCCESS;
}
static const WCHAR patch_media_query[] = {
'S','E','L','E','C','T',' ','*',' ','F','R','O','M',' ','`','M','e','d','i','a','`',' ',
'W','H','E','R','E',' ','`','S','o','u','r','c','e','`',' ','I','S',' ','N','O','T',' ','N','U','L','L',' ',
'A','N','D',' ','`','C','a','b','i','n','e','t','`',' ','I','S',' ','N','O','T',' ','N','U','L','L',' ',
'O','R','D','E','R',' ','B','Y',' ','`','D','i','s','k','I','d','`',0};
struct patch_media
{
struct list entry;
UINT disk_id;
UINT last_sequence;
WCHAR *prompt;
WCHAR *cabinet;
WCHAR *volume;
WCHAR *source;
};
static UINT add_patch_media( MSIPACKAGE *package, IStorage *patch )
{
static const WCHAR delete_query[] = {
'D','E','L','E','T','E',' ','F','R','O','M',' ','`','M','e','d','i','a','`',' ',
'W','H','E','R','E',' ','`','D','i','s','k','I','d','`','=','?',0};
static const WCHAR insert_query[] = {
'I','N','S','E','R','T',' ','I','N','T','O',' ','`','M','e','d','i','a','`',' ',
'(','`','D','i','s','k','I','d','`',',','`','L','a','s','t','S','e','q','u','e','n','c','e','`',',',
'`','D','i','s','k','P','r','o','m','p','t','`',',','`','C','a','b','i','n','e','t','`',',',
'`','V','o','l','u','m','e','L','a','b','e','l','`',',','`','S','o','u','r','c','e','`',')',' ',
'V','A','L','U','E','S',' ','(','?',',','?',',','?',',','?',',','?',',','?',')',0};
MSIQUERY *view;
MSIRECORD *rec;
UINT r, disk_id;
struct list media_list;
struct patch_media *media, *next;
r = MSI_DatabaseOpenViewW( package->db, patch_media_query, &view );
if (r != ERROR_SUCCESS) return r;
r = MSI_ViewExecute( view, 0 );
if (r != ERROR_SUCCESS)
{
msiobj_release( &view->hdr );
TRACE("query failed %u\n", r);
return r;
}
list_init( &media_list );
while (MSI_ViewFetch( view, &rec ) == ERROR_SUCCESS)
{
disk_id = MSI_RecordGetInteger( rec, 1 );
TRACE("disk_id %u\n", disk_id);
if (disk_id >= MSI_INITIAL_MEDIA_TRANSFORM_DISKID)
{
msiobj_release( &rec->hdr );
continue;
}
if (!(media = msi_alloc( sizeof( *media )))) goto done;
media->disk_id = disk_id;
media->last_sequence = MSI_RecordGetInteger( rec, 2 );
media->prompt = msi_dup_record_field( rec, 3 );
media->cabinet = msi_dup_record_field( rec, 4 );
media->volume = msi_dup_record_field( rec, 5 );
media->source = msi_dup_record_field( rec, 6 );
list_add_tail( &media_list, &media->entry );
msiobj_release( &rec->hdr );
}
LIST_FOR_EACH_ENTRY( media, &media_list, struct patch_media, entry )
{
MSIQUERY *delete_view, *insert_view;
r = MSI_DatabaseOpenViewW( package->db, delete_query, &delete_view );
if (r != ERROR_SUCCESS) goto done;
rec = MSI_CreateRecord( 1 );
MSI_RecordSetInteger( rec, 1, media->disk_id );
r = MSI_ViewExecute( delete_view, rec );
msiobj_release( &delete_view->hdr );
msiobj_release( &rec->hdr );
if (r != ERROR_SUCCESS) goto done;
r = MSI_DatabaseOpenViewW( package->db, insert_query, &insert_view );
if (r != ERROR_SUCCESS) goto done;
disk_id = package->db->media_transform_disk_id;
TRACE("disk id %u\n", disk_id);
TRACE("last sequence %u\n", media->last_sequence);
TRACE("prompt %s\n", debugstr_w(media->prompt));
TRACE("cabinet %s\n", debugstr_w(media->cabinet));
TRACE("volume %s\n", debugstr_w(media->volume));
TRACE("source %s\n", debugstr_w(media->source));
rec = MSI_CreateRecord( 6 );
MSI_RecordSetInteger( rec, 1, disk_id );
MSI_RecordSetInteger( rec, 2, media->last_sequence );
MSI_RecordSetStringW( rec, 3, media->prompt );
MSI_RecordSetStringW( rec, 4, media->cabinet );
MSI_RecordSetStringW( rec, 5, media->volume );
MSI_RecordSetStringW( rec, 6, media->source );
r = MSI_ViewExecute( insert_view, rec );
msiobj_release( &insert_view->hdr );
msiobj_release( &rec->hdr );
if (r != ERROR_SUCCESS) goto done;
r = msi_add_cabinet_stream( package, disk_id, patch, media->cabinet );
if (r != ERROR_SUCCESS) WARN("failed to add cabinet stream %u\n", r);
package->db->media_transform_disk_id++;
}
done:
msiobj_release( &view->hdr );
LIST_FOR_EACH_ENTRY_SAFE( media, next, &media_list, struct patch_media, entry )
{
list_remove( &media->entry );
msi_free( media->prompt );
msi_free( media->cabinet );
msi_free( media->volume );
msi_free( media->source );
msi_free( media );
}
return r;
}
static UINT set_patch_offsets( MSIDATABASE *db )
{
MSIQUERY *view;
MSIRECORD *rec;
UINT r;
r = MSI_DatabaseOpenViewW( db, patch_media_query, &view );
if (r != ERROR_SUCCESS)
return r;
r = MSI_ViewExecute( view, 0 );
if (r != ERROR_SUCCESS)
goto done;
while (MSI_ViewFetch( view, &rec ) == ERROR_SUCCESS)
{
UINT last_sequence = MSI_RecordGetInteger( rec, 2 );
struct patch_offset_list *pos;
/* FIXME: set/check Source field instead? */
if (last_sequence >= MSI_INITIAL_MEDIA_TRANSFORM_OFFSET)
{
msiobj_release( &rec->hdr );
continue;
}
pos = patch_offset_list_create();
patch_offset_get_files( db, last_sequence, pos );
patch_offset_get_patches( db, last_sequence, pos );
if (pos->count)
{
UINT offset = db->media_transform_offset - pos->min;
last_sequence = offset + pos->max;
/* FIXME: this is for the patch table, which is not yet properly transformed */
last_sequence += pos->min;
pos->offset_to_apply = offset;
patch_offset_modify_db( db, pos );
MSI_RecordSetInteger( rec, 2, last_sequence );
r = MSI_ViewModify( view, MSIMODIFY_UPDATE, rec );
if (r != ERROR_SUCCESS)
ERR("Failed to update Media table entry, expect breakage (%u)\n", r);
db->media_transform_offset = last_sequence + 1;
}
patch_offset_list_free( pos );
msiobj_release( &rec->hdr );
}
done:
msiobj_release( &view->hdr );
return r;
}
UINT msi_apply_patch_db( MSIPACKAGE *package, MSIDATABASE *patch_db, MSIPATCHINFO *patch )
{
UINT i, r = ERROR_SUCCESS;
WCHAR **substorage;
/* apply substorage transforms */
substorage = msi_split_string( patch->transforms, ';' );
for (i = 0; substorage && substorage[i] && r == ERROR_SUCCESS; i++)
{
r = apply_substorage_transform( package, patch_db, substorage[i] );
if (r == ERROR_SUCCESS)
{
add_patch_media( package, patch_db->storage );
set_patch_offsets( package->db );
}
}
msi_free( substorage );
if (r != ERROR_SUCCESS)
return r;
patch_set_media_source_prop( package );
patch->state = MSIPATCHSTATE_APPLIED;
list_add_tail( &package->patches, &patch->entry );
return ERROR_SUCCESS;
}
static UINT msi_apply_patch_package( MSIPACKAGE *package, const WCHAR *file )
{
static const WCHAR dotmsp[] = {'.','m','s','p',0};
MSIDATABASE *patch_db = NULL;
WCHAR localfile[MAX_PATH];
MSISUMMARYINFO *si;
MSIPATCHINFO *patch = NULL;
UINT r = ERROR_SUCCESS;
TRACE("%p %s\n", package, debugstr_w(file));
r = MSI_OpenDatabaseW( file, MSIDBOPEN_READONLY + MSIDBOPEN_PATCHFILE, &patch_db );
if (r != ERROR_SUCCESS)
{
ERR("failed to open patch collection %s\n", debugstr_w( file ) );
return r;
}
if (!(si = MSI_GetSummaryInformationW( patch_db->storage, 0 )))
{
msiobj_release( &patch_db->hdr );
return ERROR_FUNCTION_FAILED;
}
r = msi_check_patch_applicable( package, si );
if (r != ERROR_SUCCESS)
{
TRACE("patch not applicable\n");
r = ERROR_SUCCESS;
goto done;
}
r = msi_parse_patch_summary( si, &patch );
if ( r != ERROR_SUCCESS )
goto done;
r = msi_get_local_package_name( localfile, dotmsp );
if ( r != ERROR_SUCCESS )
goto done;
r = ERROR_OUTOFMEMORY;
if (!(patch->filename = strdupW( file ))) goto done;
if (!(patch->localfile = strdupW( localfile ))) goto done;
r = msi_apply_patch_db( package, patch_db, patch );
if (r != ERROR_SUCCESS) WARN("patch failed to apply %u\n", r);
done:
msiobj_release( &si->hdr );
msiobj_release( &patch_db->hdr );
if (patch && r != ERROR_SUCCESS)
{
msi_free( patch->patchcode );
msi_free( patch->transforms );
msi_free( patch->filename );
msi_free( patch->localfile );
msi_free( patch );
}
return r;
}
/* get the PATCH property, and apply all the patches it specifies */
UINT msi_apply_patches( MSIPACKAGE *package )
{
LPWSTR patch_list, *patches;
UINT i, r = ERROR_SUCCESS;
patch_list = msi_dup_property( package->db, szPatch );
TRACE("patches to be applied: %s\n", debugstr_w(patch_list));
patches = msi_split_string( patch_list, ';' );
for (i = 0; patches && patches[i] && r == ERROR_SUCCESS; i++)
r = msi_apply_patch_package( package, patches[i] );
msi_free( patches );
msi_free( patch_list );
return r;
}
UINT msi_apply_transforms( MSIPACKAGE *package )
{
static const WCHAR szTransforms[] = {'T','R','A','N','S','F','O','R','M','S',0};
LPWSTR xform_list, *xforms;
UINT i, r = ERROR_SUCCESS;
xform_list = msi_dup_property( package->db, szTransforms );
xforms = msi_split_string( xform_list, ';' );
for (i = 0; xforms && xforms[i] && r == ERROR_SUCCESS; i++)
{
if (xforms[i][0] == ':')
r = apply_substorage_transform( package, package->db, xforms[i] );
else
{
WCHAR *transform;
if (!PathIsRelativeW( xforms[i] )) transform = xforms[i];
else
{
WCHAR *p = strrchrW( package->PackagePath, '\\' );
DWORD len = p - package->PackagePath + 1;
if (!(transform = msi_alloc( (len + strlenW( xforms[i] ) + 1) * sizeof(WCHAR)) ))
{
msi_free( xforms );
msi_free( xform_list );
return ERROR_OUTOFMEMORY;
}
memcpy( transform, package->PackagePath, len * sizeof(WCHAR) );
memcpy( transform + len, xforms[i], (strlenW( xforms[i] ) + 1) * sizeof(WCHAR) );
}
r = MSI_DatabaseApplyTransformW( package->db, transform, 0 );
if (transform != xforms[i]) msi_free( transform );
}
}
msi_free( xforms );
msi_free( xform_list );
return r;
}
UINT msi_apply_registered_patch( MSIPACKAGE *package, LPCWSTR patch_code )
{
UINT r;
DWORD len;
WCHAR patch_file[MAX_PATH];
MSIDATABASE *patch_db;
MSIPATCHINFO *patch_info;
MSISUMMARYINFO *si;
len = sizeof(patch_file) / sizeof(WCHAR);
r = MsiGetPatchInfoExW( patch_code, package->ProductCode, NULL, package->Context,
INSTALLPROPERTY_LOCALPACKAGEW, patch_file, &len );
if (r != ERROR_SUCCESS)
{
ERR("failed to get patch filename %u\n", r);
return r;
}
r = MSI_OpenDatabaseW( patch_file, MSIDBOPEN_READONLY + MSIDBOPEN_PATCHFILE, &patch_db );
if (r != ERROR_SUCCESS)
{
ERR("failed to open patch database %s\n", debugstr_w( patch_file ));
return r;
}
si = MSI_GetSummaryInformationW( patch_db->storage, 0 );
if (!si)
{
msiobj_release( &patch_db->hdr );
return ERROR_FUNCTION_FAILED;
}
r = msi_parse_patch_summary( si, &patch_info );
msiobj_release( &si->hdr );
if (r != ERROR_SUCCESS)
{
ERR("failed to parse patch summary %u\n", r);
msiobj_release( &patch_db->hdr );
return r;
}
patch_info->localfile = strdupW( patch_file );
if (!patch_info->localfile)
{
msiobj_release( &patch_db->hdr );
return ERROR_OUTOFMEMORY;
}
r = msi_apply_patch_db( package, patch_db, patch_info );
msiobj_release( &patch_db->hdr );
if (r != ERROR_SUCCESS)
{
ERR("failed to apply patch %u\n", r);
msi_free( patch_info->patchcode );
msi_free( patch_info->transforms );
msi_free( patch_info->localfile );
msi_free( patch_info );
}
return r;
}
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